#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# PyTorch documentation build configuration file.
# This script is run by Sphinx when building the documentation.

import torch
import torch_xla
import pytorch_sphinx_theme


# -- General configuration ------------------------------------------------

# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.

# The following list are extension used by PyTorch as of v2.7.0 tag.
# Commented lines are not used by PyTorch/XLA.
pytorch_extensions = [
    "sphinx.ext.autodoc",
    "sphinx.ext.autosummary",
    "sphinx.ext.doctest",
    "sphinx.ext.intersphinx",
    "sphinx.ext.todo",
    "sphinx.ext.coverage",
    "sphinx.ext.napoleon",
    "sphinx.ext.viewcode",
    "sphinxcontrib.katex",
    "sphinx_copybutton",
    # "sphinx_panels",
    # "myst_parser", # Will be activated by myst_nb
    # "sphinx.ext.linkcode",
]

# These are additional extensions used by PyTorch/XLA.
extensions = pytorch_extensions + [
    "myst_nb"
]
# Automatically generate section anchors for selected heading level
myst_heading_anchors = 3

# Users must manually execute their notebook cells
# with the correct hardware accelerator.
nb_execution_mode = "off"


# katex options
#
#

katex_prerender = True

napoleon_use_ivar = True

# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']

# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
#
# source_suffix = ['.rst', '.md']
source_suffix = ['.rst', '.md']

# The master toctree document.
master_doc = 'index'

# General information about the project.
project = 'PyTorch/XLA'
# copyright = 'Copyright (c) 2018 Google Inc.'
author = 'PyTorch/XLA Dev Team'

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = 'master (' + torch_xla.__version__ + ' )'
# The full version, including alpha/beta/rc tags.
release = 'master'

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = "en"

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = []

# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'

# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = True


# -- Options for HTML output ----------------------------------------------
#
# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
#
#
#

html_theme = 'pytorch_sphinx_theme'
html_theme_path = [pytorch_sphinx_theme.get_html_theme_path()]

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
#
html_theme_options = {
    'pytorch_project': 'docs',
    'collapse_navigation': False,
    'display_version': True,
    'logo_only': True,
}

html_logo = '_static/img/pytorch-logo-dark.svg'

# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']


# -- Options for HTMLHelp output ------------------------------------------

# Output file base name for HTML help builder.
htmlhelp_basename = 'PyTorchdoc'

# -- A patch that prevents Sphinx from cross-referencing ivar tags -------
# See http://stackoverflow.com/a/41184353/3343043

from docutils import nodes
from sphinx.util.docfields import TypedField
from sphinx import addnodes


def patched_make_field(self, types, domain, items, **kw):
    # `kw` catches `env=None` needed for newer sphinx while maintaining
    #  backwards compatibility when passed along further down!

    # type: (list, unicode, tuple) -> nodes.field
    def handle_item(fieldarg, content):
        par = nodes.paragraph()
        par += addnodes.literal_strong('', fieldarg)  # Patch: this line added
        # par.extend(self.make_xrefs(self.rolename, domain, fieldarg,
        #                           addnodes.literal_strong))
        if fieldarg in types:
            par += nodes.Text(' (')
            # NOTE: using .pop() here to prevent a single type node to be
            # inserted twice into the doctree, which leads to
            # inconsistencies later when references are resolved
            fieldtype = types.pop(fieldarg)
            if len(fieldtype) == 1 and isinstance(fieldtype[0], nodes.Text):
                typename = u''.join(n.astext() for n in fieldtype)
                typename = typename.replace('int', 'python:int')
                typename = typename.replace('long', 'python:long')
                typename = typename.replace('float', 'python:float')
                typename = typename.replace('type', 'python:type')
                par.extend(self.make_xrefs(self.typerolename, domain, typename,
                                           addnodes.literal_emphasis, **kw))
            else:
                par += fieldtype
            par += nodes.Text(')')
        par += nodes.Text(' -- ')
        par += content
        return par

    fieldname = nodes.field_name('', self.label)
    if len(items) == 1 and self.can_collapse:
        fieldarg, content = items[0]
        bodynode = handle_item(fieldarg, content)
    else:
        bodynode = self.list_type()
        for fieldarg, content in items:
            bodynode += nodes.list_item('', handle_item(fieldarg, content))
    fieldbody = nodes.field_body('', bodynode)
    return nodes.field('', fieldname, fieldbody)


TypedField.make_field = patched_make_field
